Direct Comparison of Tungsten Nanoparticles and Foils under Helium Irradiation at High Temperatures Studied via In-Situ Transmission Electron Microscopy. (August 2019) - Aradi, E.; Lewis-Fell, J.; Harrison, R.W.; Greaves, G.; Mir, A.H.; Donnelly, S.E.; Hinks, J.A.